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Diodes Semiconductor Electronic Components Datasheet

AH3761 Datasheet

High sensitivity Hall effect latch sensor

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AH3761 pdf
AH3761
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HIGH SENSITIVITY HALL EFFECT LATCH
Features
General Description
3V to 28V DC operation voltage
Chopper stabilized
Wide operating voltage range
Built-in power reverse protection
Built-in voltage overshoot protection
Output short circuit protection
Open drain pre-driver
SIP3 and SC59 (Commonly known as SOT23 in Asia)
: Available in “Green” Molding Compound (No Br, Sb)
Lead Free Finish/RoHS Compliant (Note 1)
Application
AH3761 is an integrated Hall effect latched sensor designed for
electronic commutation of brush-less DC motor applications. The
device includes an on-chip Hall voltage generator for magnetic
sensing, a comparator that amplifies the Hall voltage, and a
schmitt trigger to provide switching hysteresis for noise rejection,
and open drain output. An internal bandgap regulator is used to
provide temperature compensated supply voltage for internal
circuits and allows a wide operating supply range.
If a magnetic flux density larger than threshold Bop, DO is turned
on (low). The output state is held until a magnetic flux density
reversal falls below Brp causing DO to be turned off (high).
Brush-less DC Motor Commutation
RPM Detection
Consumer and industrial position sensor
Flow meters
Typical Application Circuit
Vdd
1
AH3761 3
2
R
Output
GND
AH3761 Rev. 1
1 of 9
www.diodes.com
SEPTEMBER 2009
© Diodes Incorporated



Diodes Semiconductor Electronic Components Datasheet

AH3761 Datasheet

High sensitivity Hall effect latch sensor

No Preview Available !

AH3761 pdf
AH3761
www.DataSheet4U.com
HIGH SENSITIVITY HALL EFFECT LATCH
Ordering Information
AH3761-XG-X
Package
P : SIP3
W : SC59
Green
G : Green
Packing
A : Ammo Box (Note 3)
B : Bulk (Note 4)
7 : Tape & Reel
Device
AH3761-PG-A
AH3761-PG-B
AH3761-WG-7
Package
Code
P
P
W
Packaging
(Note 2)
SIP3
SIP3
SC59
Bulk
Part
Quantity Number
Suffix
NA NA
1000
-B
NA NA
7” Tape and Reel
Part
Quantity
Number
Suffix
NA NA
NA NA
3000/Tape & Reel -7
Ammo Box
Part
Quantity Number
Suffix
4000/Box
-A
NA NA
NA NA
Notes:
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html
2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
3. Ammo Box is for SIP3 Spread Lead.
4. Bulk is for SIP3 Straight Lead.
Pin Assignments
(1) SIP3
( Top View )
3. OUT
2. GND
1. Vdd
(2) SC59
( Top View )
GND 2.
3. OUT
1 . Vdd
Pin Descriptions
Pin Name
Vdd
GND
OUT
P/I/O
P
P
O
Pin #
1
2
3
Description
Positive Power Supply
Ground
Output Pin
AH3761 Rev. 1
2 of 9
www.diodes.com
SEPTEMBER 2009
© Diodes Incorporated



Diodes Semiconductor Electronic Components Datasheet

AH3761 Datasheet

High sensitivity Hall effect latch sensor

No Preview Available !

AH3761 pdf
Block Diagram
Vdd
Amp
AH3761
www.DataSheet4U.com
HIGH SENSITIVITY HALL EFFECT LATCH
Power switch
To All Subcircuits
VOUT
Amp Control
Current
Limit
Absolute Maximum Ratings (at TA = 25oC)
Symbol
Vdd
Vrdd
B
VDS
IO(peak)
TST
TJ(MAX)
PD
θJC
Characteristics
Supply Voltage
Reverse Battery Voltage
Magnetic Flux Density
Output OFF Voltage
Output “On” Current (Peak)
Storage Temperature Range
Maximum Junction Temperature
Package Power Dissipation
Thermal Resistance Junction to case
SIP3
SC59
SIP3
SC59
Recommended Operating Conditions
GND
Values
30
-30
Unlimited
30
100
-65~+150
150
550
230
227
543
Unit
V
V
V
mA
°C
°C
mW
mW
°C/W
°C/W
Symbol
Vdd
TA
Characteristic
Supply Voltage
Operating Ambient Temperature
Conditions
Operating
Operating
Min
3
-40
Typ.
24
-
Max
28
125
Unit
V
°C
AH3761 Rev. 1
3 of 9
www.diodes.com
SEPTEMBER 2009
© Diodes Incorporated




Part Number AH3761
Description High sensitivity Hall effect latch sensor
Maker Diodes Incorporated
Total Page 9 Pages
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